Need to get new mattress. We're thinking about the new Serta I-series. I have a bad low back,it felt suppported, the wife likes it.

Any input is appreciated.

 

 

 

Serta hybrid  (coil and memory foam) which is called the Perfect Day i-series.

I think the  Jubilance model - has a number of good features compared to the other models in the PD i-series. It is a neutral comfort, and has 2” inches of 5lb open cell Koolcomfort memory foam, followed by 2 more inches of 4lb (10.5 ifd) cool action gel memory foam.  That’s 2 inches of higher density and 2 inches of medium density temperature sensitive memory foam.  There is no other foam (cheap poly foams) in the mattress which could breakdown. The other Serta iseries models (except the very top above this model) have only 1-2 inches of the gel foam and I don't think that would provide enough comfort or durability over an inerspring also some have added in the cheaper polyfoams into the layers. Lastly,  the duet coil introduced in this line this year  - might -  also provide some benefit for a dual level support mode.

 

 

(Edited to confirm cool action gel specs - not easy to find)